CVE-2023-23930 json
vantage6's Pickle serialization is insecure
published 2023-10-11 3 y ago modified 2026-09-10 1 mo ago also GHSA-5m22-cfq9-86x6 , PYSEC-2023-196 , EUVD-2023-0257
- cvss
- 5.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
vantage6 is privacy preserving federated learning infrastructure. Versions prior to 4.0.0 use pickle, which has known security issue, as a default serialization module but that has known security issues. All users of vantage6 that post tasks with the default serialization are affected. Version 4.0.0 contains a patch. Users may specify JSON serialization as a workaround.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- medium.com https://medium.com/ochrona/python-pickle-is-notoriously-insecure-d6651f1974c9 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.5 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | vantage6 | <4.0.2 |
4.0.2 |
Affected products
- vantage6 vantage6
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
github.com
/vantage6/vantage6/commit/e62f03bacf2247bd59eed217e2e7338c3a01a5f0
web, patch
-
medium.com
/ochrona/python-pickle-is-notoriously-insecure-d6651f1974c9
web, exploit, permissions-required, technical-description, third-party-advisory
-
github.com
/vantage6/vantage6/security/advisories/GHSA-5m22-cfq9-86x6
web, vendor-advisory, advisory
-
github.com
/vantage6/vantage6/blob/0682c4288f43fee5bcc72dc448cdd99bd7e57f76/docs/release_notes.rst#400
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2023-23930
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/vantage6/PYSEC-2023-196.yaml
web
-
github.com
/vantage6/vantage6
package
Sources
- CVE List CVE-2023-23930
- GitHub Advisory GHSA-5m22-cfq9-86x6
- NVD CVE-2023-23930
- OSV PYSEC-2023-196
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.